Structural adhesive refers to a type of adhesive material with high adhesion strength that is used on various engineering components to replace traditional welding or bolts and other joining methods to facilitate the assembly of engineering components.
Structural adhesive is applied to adhere metal and plastic components. After bonding and curing, the finished product can withstand larger loads and has excellent heat resistance, atmospheric aging resistance, vibration fatigue resistance, low creep and high Long-lasting strength. Structural adhesives are mostly composed of polymers with a three-way cross-linked structure, supplemented with tougheners or inorganic fillers. Structural adhesives can be divided into the following categories according to the resin type, adhesive strength and curing method of the material.
| Item | STIFBONDTM GF-736S | STIFBONDTM CG-I36R |
|---|---|---|
| Materials | Acrylic | Acrylic |
| Appearance | Milky white | black viscous liquid |
| Composition | Single component | Single component |
| Curing Mechanism | UV + thermal dual curing | Low temperature thermal curing |
| Curing Conditions | 365nm UV: 1000 mW/cm² *3sec + heat 120 oC *30min |
80 oC*60 min |
| Coefficient of Expansion | 23 ppm/K | 38 ppm/K |
| Packaging | 30/55 cc syringe | 30/55 cc syringe |
| Storage | 0～5°C 😄 | 0～5°C 😄 |
Key Features
Typical Applications
Curing Conditions
Specification
| Item | Unit | GF-736S | |
|---|---|---|---|
| Specific gravity | g/cm3 | 1.8 | |
| Viscosity |
Pa·s |
95 | |
| Shear strength | Aluminum/Aluminum |
Kg/cm2 |
>100 |
| Steel/Steel | >100 | ||
| Coefficient of linear expansion | α1 |
ppm/K |
23 |
| α2 | 96 | ||
| Hardness | Shore D | 92 | |
| Boiling water absorption rate * | w% | 0.1 | |
Key Features
Typical Applications
Curing Conditions
Specification
| Item | Unit | CG-I36R | |
|---|---|---|---|
| Specific gravity | g/cm3 | 1.7 | |
| Viscosity |
Pa·s |
70 | |
| Shear strength | Aluminum/Aluminum |
Kg/cm2 |
>100 |
| Steel/Steel | >100 | ||
| Coefficient of linear expansion | α1 |
ppm/K |
39 |
| α2 | 142 | ||
| Hardness | Shore D | 85 | |
| Boiling water absorption rate * | w% | 0.1 | |
① ADAS Component Sealing
（Structural sealing for radar modules, sensor modules, and camera modules)）
② Automotive Camera Lens and Base Sealing
（High-precision bonding between lenses and metal / plastic bases）
Suitable for high-precision optical module assembly and alignment applications.
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